Troubleshooting • Raspberry pi 400 has dark screen after boot.
We have a Raspberry Pi 4 and a Raspberry Pi 400. the 400 stopped working for some reason, the screen is dark after boot. We didn't make any changes. After we power it on, we see the power light comes...
View ArticleNetworking and servers • Which is the best method for serial communication...
The choice between SPI and I2C for serial communication depends on the specific requirements of the system you are designing.SPI (Serial Peripheral Interface) is a synchronous, full-duplex...
View ArticleTroubleshooting • Rpi3B+ won't boot from same card as Rpi3B, latest image...
I've got a Raspberry Pi 3B and a 3B+, using the exact same hardware on both:quality SD cardUPS 5vGood microSD cablesUsing the latest Pi Imager, 64 bit OS, the 3B will boot (well, close to it - it goes...
View ArticleAdvanced users • Re: Testing class A2 SD cards with Command Queueing on Pi 5
Sandisk Extreme Pro microSDXC UHS-I 64 GB U3 V30 A2 SDSQXCU-064G-GN6MA 3031XF6513VN purchased 2023-04-24Pi 5 rpi-updated today. dmesg does not show mmc0: Command Queue...
View ArticleGeneral discussion • Re: 3b+ harware version
i have 2 version 3b+ boads in my hands. the newer 3b+ cannot run TF card firmware which i used on old hardware version.my question is the new hardware is offical engineering changes?Yes. See...
View ArticleBeginners • Re: Raspberry Pi 5 + PoE HAT?
Any update on this? Originally, this was supposed to be available late Q1/early Q2 IIRC, and we're now almost 2/3rds of the way through Q2.Statistics: Posted by owendelong — Thu May 30, 2024 4:10 am
View ArticleTroubleshooting • Re: Raspberry pi 400 has dark screen after boot.
power on without sddo you see the diagnostic screenwhat does the DISP line show for detected displaysStatistics: Posted by kerry_s — Thu May 30, 2024 4:15 am
View ArticleDevice Tree • Re: MTD is not recognizing SPI NOR Flash
Hi, so I took your recommendation and messed with the spi0-1cs-overlay.dts file and added a spi_nor fragment under all the fragments for the Raspberry Pi as shown below:Code: /dts-v1/;/plugin/;/...
View ArticleGeneral • Re: Raspberry Pi Pico W malfunctions during voltage drop
Thanks for patiently answering our questions, it's a really vexing and stubborn issue on your project.Increasingly, it looks like some serious troubleshooting is the only way forward. Troubleshooting...
View ArticleTroubleshooting • Re: Overscan on Raspbian Lite
Yes, sadly it's not documented in 'first view' but one simply needs to go to the documentation https://www.raspberrypi.com/documentati ... splay-mode and then open the link provided...
View ArticlePython • Re: Motor Control RASP 3B
hello... thanks for your answers by the way...i changed python code already.... import RPi.GPIO as GPIOimport timemotor_pin = 18boton_pin = 17GPIO.setmode(GPIO.BCM)GPIO.setup(motor_pin,...
View ArticleNetworking and servers • Re: RealVnc retiring Home plan
Just for clarification, this change does not affect people who are remoting in directly and not using realvnc servers for any connection data, correct?I am ssh tunneling and using a dynamic dns...
View ArticleGeneral discussion • Re: Raspberry Pi 5 discussion thread
I can't be the only person considering bricking this Pi 5 and ordering a 4?Why? plenty of use cases for Pi5, I use it as a Desktop PC, much better than the Pi4.$6 USB sound dongle worked out of...
View ArticleOther RP2040 boards • Custom RP2040 Board - W25Q16JVUXIQ not detected
I have created a custom clone of a pico, utilising W25Q16JVUXIQ.When I plug it into a PC, it mounts as RPI-RP2 and I can drag a uf2 file to it. After doing so, it unmounts and then remounts again...
View ArticleClik here to view.
General • Re: Forthcoming "RP235x"
More speculations/feature requests It would be nice to have dual logic level 3,3 and 1,8 V selected from the software per gpio, if there was some 1,8 V LDO present (or built in).Add to that support...
View ArticleGeneral discussion • Re: Raspberry Pi 5 on a 4K Monitor
Running the Pi on 4k (using one connected to a 28in monitor, second one on a 50in TV) is not a problem.Never played 4k videos though as I don't have a resource for that.If you want multimedia use...
View ArticleHATs and other add-ons • Re: Longer Flexcables for the M.2 HAT+
Does anyone out there know where one can find a longer flexcable for the new Raspberry Pi M.2 HAT+?I'm using the HAT *not* mounted on the GPIO bus and a longer flexcable would allow positioning the...
View ArticleOfficial Display • Re: Back protection cover?
Cut a piece of plastic, FR4, plywood, whatever you can deal with to shape. Some modified lunchbox may also work.Other option is buying a case with cover included (smartipie, KKSB, etc.)Statistics:...
View ArticleGeneral discussion • Re: Official Foundation Pi 4 case has no holes for airflow?
I recently purchased the Official Raspberry Pi Foundation Pi 4 case, and case fan https://www.adafruit.com/product/4794.However, after putting it together I see no way for air to escape the case,...
View ArticleRaspberry Pi 400 • Re: Suggestions for rpi
Make pcb components circular and possible add a slim heatsinkMake pcb corners roundedOptionally make the usb ports etc slimmer and make an apple Mac like cover , like maybe use usb-c for some sort of...
View Article